How to install Wireshark on Ubuntu 18.04 / Ubuntu 16.04 Desktop

Wireshark is a free and open-source network analysis tool and packet analyzer. WIth Wireshark, you can capture network traffic in real-time and use it for network analysis, troubleshooting, education, development e.t.c.

For GNS3 users, you need to have installed GNS3 using the guide below: